I think the notion of FF = heavier lens may not be true

Started Nov 8, 2013 | Discussions thread
ultimitsu Veteran Member • Posts: 6,650
Re: Still "No comprendo", eh?

EinsteinsGhost wrote:

35mm f/4 on APS-C for a scene versus 50mm f/4 lens on FF for the scene, do you expect shutter speed to be about twice as fast for the FF?

The very construct of the question itself shows your ignorance of the basics of photography. The FF camera can use any shutter speed the photographer wants, the shutter speed the photographer "expects" is one that is decided by the photographer, while different shutter speed generates different result.

Using the same shutter speed, the FF collects twice as much light, depending on the level of saturation of photon sites, it could mean FF image is significantly better, for example if both were at ISO1600.

Using half the shutter time, the FF collects the same amount of light as the APS-C, provided the two sensors are of the same technology, they will produce images of the same quality.

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